510(k) Report

510(k) · Cleared

Recalled · Class I · 2023

Synergy Cranial v2.2.9, StealthStation Cranial v3.1.4

K221087510(k) TraditionalCleared Jun 10, 202258-day reviewClass II21 CFR 882.4560Recalls 2 (2 Class I)

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Medtronic Navigation, Inc. · HAW Neurological Stereotaxic Instrument

Cleared on Jun 10, 2022 as substantially equivalent to K190672 (Medtronic Navigation, Inc., 2019) after a 58-day review. Its family tree reaches back 4 generations to 2005. 4 of the 8 devices in its family, counting itself, have a Class I recall. 2 later devices descend from it. It has been recalled 2 times, including 2 Class I recalls.

Decided
Jun 10, 2022
Review
58 days
Class
Class II
Product code
HAW
Recalls
2 (2 Class I)
Predicates
1

Its longest line of descent runs back 4 generations to K050438 (2005). 5 ancestors in all, the oldest K992927 (1999). 2 later devices descend from it, 1 citing it directly. 4 of the 8 devices in this family, counting this one, have a Class I recall.

  1. Root · 4 generations backK050438 Stealthstation System UpdateMedtronic Surgical Navigation Technologies · 2005 · Recalled
  2. 3 generations backK150216 Synergy CranialMedtronic Navigation, Inc. · 2015 · Recalled (Class I)
  3. 2 generations backK153660 StealthStation System with Cranial SoftwareMedtronic Navigation, Inc. · 2016 · Recalled (Class I)
  4. 1 generation backK190672 StealthStation Synergy Cranial S7 Software v.2.2.8, StealthStation…Medtronic Navigation, Inc. · 2019 · Recalled (Class I)
  5. This deviceK221087 Synergy Cranial v2.2.9, StealthStation Cranial v3.1.4Medtronic Navigation, Inc. · 2022
  6. Descendant · cites it directly · 1 of its ownK231976 StealthStation Cranial Software, v3.1.5 (9735585)Medtronic Navigation, Inc. · 2023
  7. Descendant · 2 generations on · 0 of its ownK243657 ClearPoint System (Software Version 3.0)ClearPoint Neuro, Inc. · 2025

Class I recalls in this family

Most influential descendants

Showing 2 of 2 · See all
  • K231976StealthStation Cranial Software, v3.1.5 (9735585)Medtronic Navigation, Inc. · 2023 · cites it directly1descendant
  • K243657ClearPoint System (Software Version 3.0)ClearPoint Neuro, Inc. · 2025 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K050438Stealthstation System UpdateMedtronic Surgical Navigation Technologies200511
−3K150216Synergy CranialMedtronic Navigation, Inc.2015Class I
−2K153660StealthStation System with Cranial SoftwareMedtronic Navigation, Inc.2016Class I
−1K190672StealthStation Synergy Cranial S7 Software v.2.2.8, StealthStation Cranial…Medtronic Navigation, Inc.2019Class I
0 (this device)K221087Synergy Cranial v2.2.9, StealthStation Cranial v3.1.4Medtronic Navigation, Inc.2022—
+1K231976StealthStation Cranial Software, v3.1.5 (9735585)Medtronic Navigation, Inc.2023—
+2K243657ClearPoint System (Software Version 3.0)ClearPoint Neuro, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199910

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
202510
FIG. 1 — Lineage of K221087, 2005–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

4 devices in this family have a Class I recall. A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new HAW device

  1. #1 K253856 Geniant Cranial (Navigated Neurosurgical…score 15.0 · 11 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K190672StealthStation Synergy Cranial S7 Software v.2.2.8, StealthStation Cranial Software v3.1.1
Summary page 5
…IV. Classification: Class II, Stereotaxic Instrument V. Product Codes: HAW VI. Predicates: Medtronic Navigation, Inc. manufactured software; • K190672, StealthStation Synergy Cranial S7 Software v2.2.8, StealthStation Cranial Software v3.1.1 VII. Product Descripti…
Medtronic Navigation, Inc.2019Class I

What descends from it? (2)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K231976StealthStation Cranial Software, v3.1.5 (9735585)Medtronic Navigation, Inc.20231

Has anything in its family been recalled? (4 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Apr 11, 2023Class IZ-1630-2023Software designDuring non-axial/some axial exams, software anomalies occur during procedures affecting depth gauge graphic displays for cranial biopsy; causing displays to no longer synchronize with other navigational information showing inaccurate…
Apr 11, 2023Class IZ-1666-2023Software designIn nonaxial/some axial exams if surgical plan utilized, Target Guidance selected, tip projection utilized, Navigate Projection enabled, software anomaly may occur during tumor resection/shunt placement/deep brain stimulation, where…

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K190672StealthStation Synergy Cranial S7 Software v.2.2.8, StealthStation Cranial Software v3.1.1Medtronic Navigation, Inc. · 2019 · Direct predicate · ◆ on the line of descent in FIG. 12 Class I recalls
  • K153660StealthStation System with Cranial SoftwareMedtronic Navigation, Inc. · 2016 · 2 generations back · ◆ on the line of descent in FIG. 13 Class I recalls
  • K150216Synergy CranialMedtronic Navigation, Inc. · 2015 · 2 generations back · ◆ on the line of descent in FIG. 13 Class I recalls

What does this lineage say?

  • The line of descent spans 17 years and passes through 2 companies; a new generation was cleared every 2.9 years on median.
  • 5 of the 5 ancestors have a recall of any class; 3 have a Class I recall.
  • Of its descendants, K231976 (Medtronic Navigation, Inc., 2023) has gone furthest, with 1 descendant of its own.

How does its category compare?

All HAW devices

HAW Neurological Stereotaxic Instrument: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · HAW

9in 2025

2007: 152008: 122009: 82010: 62011: 42012: 82013: 32014: 52015: 102016: 92017: 72018: 62019: 102020: 52021: 92022: 72023: 142024: 72025: 92026 (partial year): 5
2007high 15 (2007) · low 3 (2013)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HAW

163in 2025

2007: 107 days median2008: 112 days median2009: 221 days median2010: 138 days median2011: 66 days median2012: 178 days median2013: 172 days median2014: 238 days median2015: 232 days median2016: 175 days median2017: 226 days median2018: 112 days median2019: 147 days median2020: 88 days median2021: 168 days median2022: 128 days median2023: 142 days median2024: 107 days median2025: 163 days median2026 (partial year): 162 days median
2007high 238 (2014) · low 66 (2011)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · HAW

2in 2025

2007: 22008: 102009: 62010: 282011: 52012: 42013: 6, 1 Class I2014: 52015: 32016: 52017: 22018: 2, 2 Class I2019: 4, 1 Class I2020: 12021: 4, 2 Class I2022: 12023: 4, 1 Class I2024: 2, 2 Class I2025: 22026 (partial year): 6
2007high 28 (2010) · low 1 (2020)2026

Class I (9 since 2007) Class II/III not classified

Adverse event reports per year · HAW

3,425in 2025

2007: 492008: 532009: 962010: 2992011: 1,7252012: 9862013: 1,2902014: 1,6062015: 1,7672016: 1,8282017: 3,5052018: 4,4392019: 6,0622020: 3,4802021: 2,8272022: 1,9292023: 2,5102024: 3,7552025: 3,425
2007high 6,062 (2019) · low 49 (2007)2025

MAUDE reports naming product code HAW, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
200715107249
2008121121053
20098221696
2010613828299
201146651,725
201281784986
201331726 (1)1,290
2014523851,606
20151023231,767
2016917551,828
2017722623,505
201861122 (2)4,439
2019101474 (1)6,062
202058813,480
202191684 (2)2,827
2022712811,929
2023141424 (1)2,510
202471072 (2)3,755
2025916323,425
202651626—

What is it indicated for?

Synergy Cranial v2.2.9: The StealthStation System, with Synergy Cranial software, is intended as an aid for precisely locating anatomical structures in either open or percutaneous neurosurgical procedures. The system is indicated for any medical condition in which reference to a rigid anatomical structure can be identified relative to images of the anatomy. This can include, but is not limited to, the following cranial procedures: - Cranial Biopsies -…

Read the full statement (219 words)

Synergy Cranial v2.2.9:

The StealthStation System, with Synergy Cranial software, is intended as an aid for precisely locating anatomical structures in either open or percutaneous neurosurgical procedures. The system is indicated for any medical condition in which reference to a rigid anatomical structure can be identified relative to images of the anatomy. This can include, but is not limited to, the following cranial procedures:

- Cranial Biopsies

- Tumor Resections

- Craniotomies/Craniectomies

- Skull Base Procedures

- Transsphenoidal Procedures

- Thalamotomies/Pallidotomies

- Pituitary Tumor Removal

- CSF Leak Repair

- Pediatric Catheter Shunt Placement

- General Catheter Shunt Placement

StealthStation Cranial Software v3.1.4:

The StealthStation System, with StealthStation Cranial software, is intended to aid in precisely locating anatomical structures in either open or percutaneous neurosurgical procedures. The system is indicated for any medical condition in which reference to a rigid anatomical structure can be identified relative to images of the anatomy. This can include, but is not limited to, the following cranial procedures (including stereotactic frame-based and stereotactic frame alternatives-based procedures):

- Cranial biopsies (including stereotactic)

- Deep brain stimulation (DBS) lead placement

- Depth electrode placement

- Tumor resections

- Craniotomies/Craniectomies

- Skull Base Procedures

- Transsphenoidal Procedures

- Thalamotomies/Pallidotomies

- Pituitary Tumor Removal

- CSF leak repair

- Pediatric Ventricular Catheter Placement

- General Ventricular Catheter Placement

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K221087: Synergy Cranial v2.2.9, StealthStation Cranial v3.1.4.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K221087

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026